Overhead projector



FIG. 1 is a top plan view of the overhead projector embodying my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a perspective view as seen from the top and front of FIG. 1. 

The ornamental design for an overhead projector, as shown. 